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Relation in Color of Three Segments of Vital Maxillary Incisors and Canines

1. Purpose The aim of this study was to evaluate relations between color patterns in the cervical, middle, and incisal regions of the teeth in the maxillary incisors and canine.

2. Material and Methods Twelve individuals aged between 18-25 participated in the study. Color measurements were performed using VITA Easyshade V (VITA Zahnfabrik, Germany) from the cervical, middle, and incisal regions of the right maxillary central, lateral, and canine teeth of participants. Only individuals with B2 color in the central middle segment were included in the study. CIELab L*, a*, b* values were determined using a dental spectrophotometer. ΔE values were calculated to determine the color difference, and L*, a*, b* values were statistically analyzed.

NCSS 2007 (Number Cruncher Statistical System, Kaysville, Utah, USA) software was used for statistical analysis. Descriptive statistical methods were used when evaluating the study data, and the distribution of the data was evaluated using the Shapiro-Wilk test. In addition, Spearman's correlation analysis was performed to detect correlations between different variables. Significance was evaluated at p<0.01 and p<0.05.

3. Results Statistically significant results were obtained between L* (Table 1), a* (Table 2) and b* (Table 3) values of different teeth segments using Spearman's correlation analysis. In addition, ΔE was calculated higher than 3.7 between all teeth segments (Table 4).

4. Conclusions There is a clinically noticeable color difference between all segments of the anterior maxillary teeth. Furthermore, it may be possible to calculate the b* value of the middle colors of the upper incisors using the b* value of the color of the middle segment of the upper canine tooth.

Taha Yaşar Manav
Kahramanmaras Sutcu Imam University

Ayşe Karabaş
Private Dental Clinic


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